ADVANCED INTEGRATION RESEARCH, INC. AIR486PI REV. 1 Processor 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Intel Max. Onboard 128MB DRAM Cache 128/256/512KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interfaces (2), green PC connector, IDE interface, parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive CN1 External battery J2 interface 2 Floppy drive CN2 Turbo switch J3 interface 1 Parallel port CN3 Speaker J4 IDE interface CN4 IDE interface LED J5 Green PC connector CN5 Power LED & keylock J6 Serial port 1 CN6 Reset switch J7 Serial port 2 CN7 32-bit PCI slots PC1 - PC3 Turbo LED J1 32-bit VESA local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Green PC select auto CN5 Open Green PC select forced CN5 Closed » CMOS memory normal operation JP1 pins 1 & 2 closed CMOS memory clear JP1 pins 2 & 3 closed » Factory configured - do not alter JP2 pins 1 & 2 closed » Parallel port IRQ select IRQ7 JP3 pins 1 & 2 closed Parallel port IRQ select IRQ5 JP3 pins 2 & 3 closed » Monitor type select JP5 Open VGA/EGA/monochrome Monitor type select CGA JP5 Closed » Factory configured - do not alter JP13 pins 1 & 2 closed » Factory configured - do not alter JP14 pins 1 & 2 closed » Factory configured - do not alter JP17 Closed » Factory configured - do not alter JP18 Open » Factory configured - do not alter JP23 pins 2 & 3 closed » Factory configured - do not alter JP24 Open » Factory configured - do not alter JP26 Closed » Factory configured - do not alter JP27 Open » Factory configured - do not alter JP28 pins 1 & 2 closed » Factory configured - do not alter JP29 Open » Factory configured - do not alter JP30 Open Note: The location of the factory configured jumpers are unknown. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 2M x 36 (1) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 1M x 36 NONE (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 2M x 36 (1) 4M x 36 NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 2M x 36 (1) 4M x 36 NONE (1) 4M x 36 40MB (1) 2M x 36 (1) 8M x 36 NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 68MB (1) 1M x 36 (1) 16M x 36 NONE NONE 72MB (1) 2M x 36 (1) 16M x 36 NONE NONE 80MB (1) 4M x 36 (1) 16M x 36 NONE NONE 96MB (1) 8M x 36 (1) 16M x 36 NONE NONE 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE CACHE CONFIGURATION Size Bank 0 Bank 1 128KB (4) 32K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 512KB (4) 128K x 8 NONE CACHE JUMPER CONFIGURATION Size JP8 JP9 JP10 JP11 JP12 128KB Closed Open Open Open Open 256KB Open Closed Closed Closed Open 512KB Closed Open Open Closed Closed CPU TYPE CONFIGURATION Type JP25 80486SX pins 2 & 3 closed 80487SX pins 1 & 2 closed 80486DX/DX2/DX4 pins 1 & 2 closed Pentium Overdrive pins 1 & 2 closed CPU SPEED CONFIGURATION Speed JP19 JP20 JP21 JP22 25MHz Closed Open Open pins 2 & 3 closed 33MHz Open Closed Closed pins 1 & 2 closed 50iMHz Closed Open Open pins 2 & 3 closed 66iMHz Open Closed Closed pins 1 & 2 closed FLOPPY DRIVE CONFIGURATION 4 floppies ECP mode JP4 JP6 JP7 used Yes Disabled Open Open pins 1 & 2 closed No Enabled (DMA pins 1 & 2 pins 1 & 2 pins 2 & 3 3) closed closed closed No Enabled (DMA pins 2 & 3 pins 2 & 3 pins 2 & 3 1) closed closed closed